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检索条件"主题词=Particle Flow Code"
223 条 记 录,以下是31-40 订阅
Macroscopic and mesoscopic mechanism of hydration instability of the rock-grout coupled structure
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GEOMECHANICS AND GEOPHYSICS FOR GEO-ENERGY AND GEO-RESOURCES 2024年 第1期10卷 1-25页
作者: Rong, Haoyu Wang, Wei Li, Guichen Liang, Dongxu Xu, Jiahui Hohai Univ Coll Civil & Transportat Engn Nanjing Peoples R China China Univ Min & Technol Sch Mines Key Lab Deep Coal Resource Min Minist Educ China Xuzhou Peoples R China Xuzhou Univ Technol Sch Civil Engn Xuzhou Peoples R China
In order to investigate the macroscopic and mesoscopic mechanism of hydration instability of rock-grout structure under the influence of moisture content, a direct shear test combined with particle flow code (PFC) sim... 详细信息
来源: 评论
Cross-Scale Quantitative and Qualitative Study of Grotto Sandstone Under Salt Weathering
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ROCK MECHANICS AND ROCK ENGINEERING 2024年 第12期57卷 10953-10971页
作者: Lin, Sicheng Wang, Luqi Zhang, Wengang Wang, Shuo Zhang, Kaiqiang Lei, Yu Jiang, Siwei Chen, Huili Zhao, Gang Feng, Xuemei Chongqing Univ Sch Civil Engn Chongqing 400045 Peoples R China Acad Dazu Rock Carvings Chongqing 402360 Peoples R China Chongqing Univ Key Lab New Technol Construction Cities Mt Area Chongqing Peoples R China Chongqing Univ Natl Joint Engn Res Ctr Geohazards Prevent Reservo Chongqing 400045 Peoples R China Chongqing Univ Chongqing Field Sci Observat Stn Landslide Hazards Three Gorges Reservoir Area Chongqing 400045 Peoples R China
Grottoes encounter significant challenges, such as weathering and water erosion, seriously threatening their preservation. Current laboratory research on grotto deterioration predominantly centers on characterizing th... 详细信息
来源: 评论
Strength deterioration mechanism of horizontal stratified cemented tailings backfill under uniaxial compression
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CASE STUDIES IN CONSTRUCTION MATERIALS 2025年 22卷
作者: Chen, Shuaijun Jin, Aibing Zhao, Yiqing Wang, Zhongshu Zheng, Youmei Univ Sci & Technol Beijing Sch Civil & Resource Engn Beijing 100083 Peoples R China Univ Sci & Technol Beijing Key Lab Minist Educ Efficient Min & Safety Met Mines Beijing 100083 Peoples R China
Horizontal stratified cemented tailings backfill (SCTB) inevitably appears in the underground stope. Exploring the mechanical characteristics of horizontal SCTBs and explaining the strength deterioration mechanism of ... 详细信息
来源: 评论
Effects of a single flaw on failure and acoustic emission characteristics around circular opening subjected to biaxial compression
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ENGINEERING FAILURE ANALYSIS 2025年 167卷
作者: Liu, Bing Liu, Yi Xiao, Peiwei Zhang, Lei China Inst Water Resources & Hydropower Res State Key Lab Simulat & Regulat Water Cycle River Beijing 100038 Peoples R China China Inst Water Resources & Hydropower Res Key Lab Construct & Safety Hydraul Engn Minist Water Resources Beijing 100038 Peoples R China China Inst Water Resources & Hydropower Res Dept Struct & Mat Beijing 100038 Peoples R China Chn Energy Investment Grp Co Ltd Beijing Peoples R China
Understanding the failure process in surrounding rocks is essential for assessing the stability of underground spaces and predicting potential disasters. Although failure patterns around openings of various shapes hav... 详细信息
来源: 评论
Research on inversion method for stress characteristics of roadway surrounding rock based on real-time weight measurement of drill cuttings
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SIMULATION MODELLING PRACTICE AND THEORY 2025年 139卷
作者: Wang, Guanghui Wang, Xiangyu Zhao, Jiaxin Zhang, Feiteng Wei, Honglei Bai, Jianbiao China Univ Min & Technol Sch Mines Xuzhou 221116 Peoples R China State Key Lab Fine Explorat & Intelligent Dev Coal Xuzhou 221116 Peoples R China Xinjiang Inst Engn Inst Min Engn & Geol Urumqi 830091 Peoples R China
The concentration of internal stress and the accumulation of energy within coal bodies are key factors that can trigger catastrophic events, such as rock bursts and gas outbursts. Therefore, understanding the internal... 详细信息
来源: 评论
Crack evolution and energy conversion characteristics of coal under acid corrosion conditions
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SCIENTIFIC REPORTS 2025年 第1期15卷 1-14页
作者: Han, Wenmei Zheng, Xiang Li, Zhihao Yuan, Qi North Univ China Dept Engn Mech Taiyuan 030051 Peoples R China State Key Lab Coal & CBM Comining Jincheng 048012 Peoples R China
In the process of coal mining with complex hydrological conditions, underground coal seams are often subjected to corrosion by acidic water, and acidic water-rock chemical interactions can significantly affect the mec... 详细信息
来源: 评论
Research on the Brazilian splitting characteristics and failure mechanism of jointed composite disks
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MECHANICS OF ADVANCED MATERIALS AND STRUCTURES 2024年 第12期32卷 2762-2777页
作者: Dou, Haoyu Shan, Renliang Li, Gengzhao Sun, Peng Bai, Yao Qiu, Sihao China Univ Min & Technol Beijing Sch Mech & Civil Engn Beijing 100083 Peoples R China
The stress state of composite rock joints has a significant impact on the overall stability of the rock mass. Studying the composite mechanism disk specimens with different matrix strengths and inclination angles unde... 详细信息
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Damage mechanism evolution of red sandstone under drying-wetting cycles: experiment and discrete element modeling
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BULLETIN OF ENGINEERING GEOLOGY AND THE ENVIRONMENT 2024年 第4期83卷 96页
作者: Cui, Yuan Xue, Lei Xu, Chao Bu, Fengchang Zhai, Mengyang Chinese Acad Sci Key Lab Shale Gas & Geoengn Inst Geol & Geophys Beijing 100029 Peoples R China Chinese Acad Sci Innovat Acad Earth Sci Beijing 100029 Peoples R China Univ Chinese Acad Sci Coll Earth & Planetary Sci Beijing 100049 Peoples R China Univ Lausanne Inst Earth Sci Risk Grp ISTE Geopolis3549 CH-1015 Lausanne Switzerland Zhengzhou Univ Yellow River Lab Zhengzhou 450001 Peoples R China
Repeated rainfall usually results in the weakening of the strength characteristics of the engineered rock masses, which can induce engineering accidents. To explore the effect of water-induced rock strength damage und... 详细信息
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Crack mechanism of ground fissures in loess layer of Fenwei Basin, China
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Journal of Mountain Science 2024年 第5期21卷 1683-1696页
作者: LI Cong LU Quanzhong WANG Feiyong LUO Wenchao XU Qiang School of Geological Engineering and Geomatics Chang’an UniversityXi’an 710054China Key Laboratory of Western Mineral Resources and Geological Engineering Ministry of EducationXi’an 710054China Observation and Research Station of Ground Fissure and Land Subsidence Ministry of Natural ResourcesXi’an 710054China School of Engineering and Technology China University of GeosciencesBeijing 100083China
The Fenwei Basin, covered by loess, experiences severe ground fissure disasters. These disasters disrupt the continuity of the loess and pose significant threats to engineering construction safety along transportation... 详细信息
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A novel creep contact model for rock and its implement in discrete element simulation
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COMPUTERS AND GEOTECHNICS 2024年 167卷
作者: Zhang, Wengang Lin, Sicheng Wang, Luqi Wang, Lin Jiang, Xiang Wang, Shuo Chongqing Univ Sch Civil Engn Chongqing 400045 Peoples R China Beijing Normal Univ Sch Natl Safety & Emergency Management Zhuhai 519087 Peoples R China Chongqing Univ Key Lab New Technol Construction Cities Mt Area Chongqing 400045 Peoples R China Chongqing Univ Natl Joint Engn Res Ctr Geohazards Prevent Reservo Chongqing 400045 Peoples R China Chongqing Jiaotong Univ Sch Mat Sci & Engn Chongqing 400074 Peoples R China
The creep behavior of rocks significantly impacts projects' structural safety, including mining, tunneling, and hydraulic engineering. Numerous creep models used in numerical calculations incorporate basic element... 详细信息
来源: 评论